1 cadangan
1.1 deposito di benua timur
1.1.1 Asia
Cambodia, Russia, South Korea
China, India, Iran, Iraq, Oman, Russia, Saudi Arabia, Taiwan, Thailand, Vietnam
1.1.2 Afrika
East Africa
Kenya, Morocco, South Africa, Tanzania
1.1.3 Eropah
England, Germany, Hungary, Iceland, Scotland, Sweden
Austria, France, Greece, Italy, Malta, Poland, Portugal, Serbia, Spain, Sweden, United Kingdom
1.1.4 lain
pulau hawaii
tanah penggembalaan, mid-Atlantik ridge
1.2 deposito di benua Barat
1.2.1 Amerika Utara
1.2.2 Amerika Selatan
belum menemukan
Bolivia, Brazil
1.3 deposito di oceania benua
1.3.1 Australia
Victoria
New South Wales, Queensland, South Australia, Western Australia